<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>404</title>
    <link rel="stylesheet" href="{% static 'css/reset.css' %}">
    <style>
        body {
            margin: 0;
            font-size: 20px;
        }

        * {
            box-sizing: border-box;
        }

        .container {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            height: 100vh;
            background: white;
            color: black;
            font-family: arial, sans-serif;
            overflow: hidden;
        }

        .content {
            position: relative;
            width: 600px;
            max-width: 100%;
            margin: 20px;
            background: white;
            padding: 60px 40px;
            text-align: center;
            box-shadow: -10px 10px 67px -12px rgba(0, 0, 0, 0.2);
            opacity: 0;
            animation: apparition 0.8s 1.2s cubic-bezier(0.39, 0.575, 0.28, 0.995) forwards;
        }

        .content p {
            font-size: 1.3rem;
            margin-top: 0;
            margin-bottom: 0.6rem;
            letter-spacing: 0.1rem;
            color: #595959;
        }

        .content p:last-child {
            margin-bottom: 0;
        }

        .content button {
            display: inline-block;
            margin-top: 2rem;
            padding: 0.5rem 1rem;
            border: 3px solid #595959;
            background: transparent;
            font-size: 1rem;
            color: #595959;
            text-decoration: none;
            cursor: pointer;
            font-weight: bold;
        }

        .particle {
            position: absolute;
            display: block;
            pointer-events: none;
        }

        .particle:nth-child(1) {
            top: 25.3968253968%;
            left: 93.2286555447%;
            font-size: 19px;
            filter: blur(0.02px);
            animation: 28s float2 infinite;
        }

        .particle:nth-child(2) {
            top: 19.536019536%;
            left: 70.6575073602%;
            font-size: 19px;
            filter: blur(0.04px);
            animation: 22s floatReverse2 infinite;
        }

        .particle:nth-child(3) {
            top: 81.2575574365%;
            left: 73.0282375852%;
            font-size: 27px;
            filter: blur(0.06px);
            animation: 28s floatReverse2 infinite;
        }

        .particle:nth-child(4) {
            top: 95.2147239264%;
            left: 28.5714285714%;
            font-size: 15px;
            filter: blur(0.08px);
            animation: 22s float2 infinite;
        }

        .particle:nth-child(5) {
            top: 87.1670702179%;
            left: 48.7329434698%;
            font-size: 26px;
            filter: blur(0.1px);
            animation: 33s float infinite;
        }

        .particle:nth-child(6) {
            top: 89.6551724138%;
            left: 20.7509881423%;
            font-size: 12px;
            filter: blur(0.12px);
            animation: 38s float infinite;
        }

        .particle:nth-child(7) {
            top: 34.5252774353%;
            left: 32.6409495549%;
            font-size: 11px;
            filter: blur(0.14px);
            animation: 29s float infinite;
        }

        .particle:nth-child(8) {
            top: 34.188034188%;
            left: 70.6575073602%;
            font-size: 19px;
            filter: blur(0.16px);
            animation: 22s float2 infinite;
        }

        .particle:nth-child(9) {
            top: 10.7843137255%;
            left: 1.968503937%;
            font-size: 16px;
            filter: blur(0.18px);
            animation: 31s float2 infinite;
        }

        .particle:nth-child(10) {
            top: 12.7450980392%;
            left: 0.9842519685%;
            font-size: 16px;
            filter: blur(0.2px);
            animation: 34s float2 infinite;
        }

        .particle:nth-child(11) {
            top: 75.3977968176%;
            left: 56.0471976401%;
            font-size: 17px;
            filter: blur(0.22px);
            animation: 35s floatReverse2 infinite;
        }

        .particle:nth-child(12) {
            top: 79.322853688%;
            left: 43.8169425511%;
            font-size: 27px;
            filter: blur(0.24px);
            animation: 25s float2 infinite;
        }

        .particle:nth-child(13) {
            top: 16.52490887%;
            left: 76.2463343109%;
            font-size: 23px;
            filter: blur(0.26px);
            animation: 34s floatReverse infinite;
        }

        .particle:nth-child(14) {
            top: 36.3190184049%;
            left: 44.3349753695%;
            font-size: 15px;
            filter: blur(0.28px);
            animation: 38s floatReverse2 infinite;
        }

        .particle:nth-child(15) {
            top: 41.6464891041%;
            left: 16.5692007797%;
            font-size: 26px;
            filter: blur(0.3px);
            animation: 39s floatReverse infinite;
        }

        .particle:nth-child(16) {
            top: 91.7073170732%;
            left: 93.137254902%;
            font-size: 20px;
            filter: blur(0.32px);
            animation: 26s float infinite;
        }

        .particle:nth-child(17) {
            top: 86.7469879518%;
            left: 94.1747572816%;
            font-size: 30px;
            filter: blur(0.34px);
            animation: 40s floatReverse infinite;
        }

        .particle:nth-child(18) {
            top: 81.2729498164%;
            left: 20.6489675516%;
            font-size: 17px;
            filter: blur(0.36px);
            animation: 40s float2 infinite;
        }

        .particle:nth-child(19) {
            top: 38.4236453202%;
            left: 10.8695652174%;
            font-size: 12px;
            filter: blur(0.38px);
            animation: 30s float infinite;
        }

        .particle:nth-child(20) {
            top: 82.2249093108%;
            left: 73.0282375852%;
            font-size: 27px;
            filter: blur(0.4px);
            animation: 26s floatReverse2 infinite;
        }

        .particle:nth-child(21) {
            top: 3.8787878788%;
            left: 38.0487804878%;
            font-size: 25px;
            filter: blur(0.42px);
            animation: 30s float infinite;
        }

        .particle:nth-child(22) {
            top: 46.6585662211%;
            left: 60.6060606061%;
            font-size: 23px;
            filter: blur(0.44px);
            animation: 34s floatReverse infinite;
        }

        .particle:nth-child(23) {
            top: 55.9509202454%;
            left: 76.8472906404%;
            font-size: 15px;
            filter: blur(0.46px);
            animation: 39s float2 infinite;
        }

        .particle:nth-child(24) {
            top: 4.9321824908%;
            left: 83.0860534125%;
            font-size: 11px;
            filter: blur(0.48px);
            animation: 23s float infinite;
        }

        .particle:nth-child(25) {
            top: 42.3124231242%;
            left: 13.8203356367%;
            font-size: 13px;
            filter: blur(0.5px);
            animation: 29s float infinite;
        }

        .particle:nth-child(26) {
            top: 72.6380368098%;
            left: 15.763546798%;
            font-size: 15px;
            filter: blur(0.52px);
            animation: 31s floatReverse infinite;
        }

        .particle:nth-child(27) {
            top: 67.6328502415%;
            left: 40.8560311284%;
            font-size: 28px;
            filter: blur(0.54px);
            animation: 29s floatReverse2 infinite;
        }

        .particle:nth-child(28) {
            top: 49.156626506%;
            left: 62.1359223301%;
            font-size: 30px;
            filter: blur(0.56px);
            animation: 28s float infinite;
        }

        .particle:nth-child(29) {
            top: 16.7076167076%;
            left: 28.5996055227%;
            font-size: 14px;
            filter: blur(0.58px);
            animation: 26s floatReverse infinite;
        }

        .particle:nth-child(30) {
            top: 68.8484848485%;
            left: 96.5853658537%;
            font-size: 25px;
            filter: blur(0.6px);
            animation: 22s floatReverse2 infinite;
        }

        .particle:nth-child(31) {
            top: 76.0048721072%;
            left: 21.5475024486%;
            font-size: 21px;
            filter: blur(0.62px);
            animation: 27s floatReverse2 infinite;
        }

        .particle:nth-child(32) {
            top: 61.7647058824%;
            left: 0.9842519685%;
            font-size: 16px;
            filter: blur(0.64px);
            animation: 39s float infinite;
        }

        .particle:nth-child(33) {
            top: 38.7878787879%;
            left: 43.9024390244%;
            font-size: 25px;
            filter: blur(0.66px);
            animation: 29s floatReverse infinite;
        }

        .particle:nth-child(34) {
            top: 62.1454993835%;
            left: 59.3471810089%;
            font-size: 11px;
            filter: blur(0.68px);
            animation: 35s float infinite;
        }

        .particle:nth-child(35) {
            top: 89.4348894349%;
            left: 28.5996055227%;
            font-size: 14px;
            filter: blur(0.7px);
            animation: 36s floatReverse infinite;
        }

        .particle:nth-child(36) {
            top: 36.803874092%;
            left: 82.8460038986%;
            font-size: 26px;
            filter: blur(0.72px);
            animation: 35s floatReverse infinite;
        }

        .particle:nth-child(37) {
            top: 63.4920634921%;
            left: 50.0490677134%;
            font-size: 19px;
            filter: blur(0.74px);
            animation: 28s floatReverse infinite;
        }

        .particle:nth-child(38) {
            top: 71.9319562576%;
            left: 92.8641251222%;
            font-size: 23px;
            filter: blur(0.76px);
            animation: 30s float infinite;
        }

        .particle:nth-child(39) {
            top: 36.4532019704%;
            left: 26.6798418972%;
            font-size: 12px;
            filter: blur(0.78px);
            animation: 39s float2 infinite;
        }

        .particle:nth-child(40) {
            top: 54.1062801932%;
            left: 78.7937743191%;
            font-size: 28px;
            filter: blur(0.8px);
            animation: 30s float infinite;
        }

        .particle:nth-child(41) {
            top: 81.2575574365%;
            left: 69.1333982473%;
            font-size: 27px;
            filter: blur(0.82px);
            animation: 35s float2 infinite;
        }

        .particle:nth-child(42) {
            top: 87.7108433735%;
            left: 35.9223300971%;
            font-size: 30px;
            filter: blur(0.84px);
            animation: 24s float2 infinite;
        }

        .particle:nth-child(43) {
            top: 75.7281553398%;
            left: 30.2734375%;
            font-size: 24px;
            filter: blur(0.86px);
            animation: 27s floatReverse2 infinite;
        }

        .particle:nth-child(44) {
            top: 9.8039215686%;
            left: 57.0866141732%;
            font-size: 16px;
            filter: blur(0.88px);
            animation: 36s floatReverse2 infinite;
        }

        .particle:nth-child(45) {
            top: 49.5145631068%;
            left: 5.859375%;
            font-size: 24px;
            filter: blur(0.9px);
            animation: 37s floatReverse infinite;
        }

        .particle:nth-child(46) {
            top: 58.9371980676%;
            left: 36.9649805447%;
            font-size: 28px;
            filter: blur(0.92px);
            animation: 32s float infinite;
        }

        .particle:nth-child(47) {
            top: 56.3791008505%;
            left: 31.2805474096%;
            font-size: 23px;
            filter: blur(0.94px);
            animation: 36s floatReverse2 infinite;
        }

        .particle:nth-child(48) {
            top: 32.3529411765%;
            left: 29.5275590551%;
            font-size: 16px;
            filter: blur(0.96px);
            animation: 22s floatReverse2 infinite;
        }

        .particle:nth-child(49) {
            top: 43.3734939759%;
            left: 90.2912621359%;
            font-size: 30px;
            filter: blur(0.98px);
            animation: 24s floatReverse2 infinite;
        }

        .particle:nth-child(50) {
            top: 6.7714631197%;
            left: 55.5014605648%;
            font-size: 27px;
            filter: blur(1px);
            animation: 39s floatReverse2 infinite;
        }

        .particle:nth-child(51) {
            top: 41.9512195122%;
            left: 19.6078431373%;
            font-size: 20px;
            filter: blur(1.02px);
            animation: 23s floatReverse infinite;
        }

        .particle:nth-child(52) {
            top: 55.1390568319%;
            left: 92.5024342746%;
            font-size: 27px;
            filter: blur(1.04px);
            animation: 30s float infinite;
        }

        .particle:nth-child(53) {
            top: 49.3946731235%;
            left: 30.2144249513%;
            font-size: 26px;
            filter: blur(1.06px);
            animation: 35s floatReverse infinite;
        }

        .particle:nth-child(54) {
            top: 15.763546798%;
            left: 4.9407114625%;
            font-size: 12px;
            filter: blur(1.08px);
            animation: 35s floatReverse infinite;
        }

        .particle:nth-child(55) {
            top: 94.403892944%;
            left: 87.084148728%;
            font-size: 22px;
            filter: blur(1.1px);
            animation: 28s floatReverse2 infinite;
        }

        .particle:nth-child(56) {
            top: 80.490797546%;
            left: 46.3054187192%;
            font-size: 15px;
            filter: blur(1.12px);
            animation: 37s floatReverse2 infinite;
        }

        .particle:nth-child(57) {
            top: 5.8041112455%;
            left: 57.4488802337%;
            font-size: 27px;
            filter: blur(1.14px);
            animation: 38s float2 infinite;
        }

        .particle:nth-child(58) {
            top: 64.2335766423%;
            left: 68.4931506849%;
            font-size: 22px;
            filter: blur(1.16px);
            animation: 40s float2 infinite;
        }

        .particle:nth-child(59) {
            top: 52.6829268293%;
            left: 66.6666666667%;
            font-size: 20px;
            filter: blur(1.18px);
            animation: 25s floatReverse infinite;
        }

        .particle:nth-child(60) {
            top: 14.7783251232%;
            left: 87.9446640316%;
            font-size: 12px;
            filter: blur(1.2px);
            animation: 37s floatReverse2 infinite;
        }

        .particle:nth-child(61) {
            top: 55.9509202454%;
            left: 56.157635468%;
            font-size: 15px;
            filter: blur(1.22px);
            animation: 26s floatReverse infinite;
        }

        .particle:nth-child(62) {
            top: 57.3511543135%;
            left: 86.0215053763%;
            font-size: 23px;
            filter: blur(1.24px);
            animation: 21s floatReverse infinite;
        }

        .particle:nth-child(63) {
            top: 16.4848484848%;
            left: 84.8780487805%;
            font-size: 25px;
            filter: blur(1.26px);
            animation: 36s float2 infinite;
        }

        .particle:nth-child(64) {
            top: 67.4816625917%;
            left: 81.5324165029%;
            font-size: 18px;
            filter: blur(1.28px);
            animation: 29s floatReverse2 infinite;
        }

        .particle:nth-child(65) {
            top: 52.0481927711%;
            left: 13.5922330097%;
            font-size: 30px;
            filter: blur(1.3px);
            animation: 25s float2 infinite;
        }

        .particle:nth-child(66) {
            top: 91.8984280532%;
            left: 4.8685491723%;
            font-size: 27px;
            filter: blur(1.32px);
            animation: 37s float2 infinite;
        }

        .particle:nth-child(67) {
            top: 47.8632478632%;
            left: 35.3287536801%;
            font-size: 19px;
            filter: blur(1.34px);
            animation: 32s floatReverse infinite;
        }

        .particle:nth-child(68) {
            top: 10.6925880923%;
            left: 64.5161290323%;
            font-size: 23px;
            filter: blur(1.36px);
            animation: 39s float2 infinite;
        }

        .particle:nth-child(69) {
            top: 33.0900243309%;
            left: 8.8062622309%;
            font-size: 22px;
            filter: blur(1.38px);
            animation: 33s floatReverse infinite;
        }

        .particle:nth-child(70) {
            top: 83.8471023428%;
            left: 66.2710187933%;
            font-size: 11px;
            filter: blur(1.4px);
            animation: 23s floatReverse2 infinite;
        }

        .particle:nth-child(71) {
            top: 45.4655380895%;
            left: 76.9230769231%;
            font-size: 27px;
            filter: blur(1.42px);
            animation: 21s floatReverse infinite;
        }

        .particle:nth-child(72) {
            top: 67.8966789668%;
            left: 87.8578479763%;
            font-size: 13px;
            filter: blur(1.44px);
            animation: 38s floatReverse2 infinite;
        }

        .particle:nth-child(73) {
            top: 91.064871481%;
            left: 55.063913471%;
            font-size: 17px;
            filter: blur(1.46px);
            animation: 32s float2 infinite;
        }

        .particle:nth-child(74) {
            top: 85.1897184823%;
            left: 5.8997050147%;
            font-size: 17px;
            filter: blur(1.48px);
            animation: 35s float infinite;
        }

        .particle:nth-child(75) {
            top: 60.1212121212%;
            left: 3.9024390244%;
            font-size: 25px;
            filter: blur(1.5px);
            animation: 25s floatReverse infinite;
        }

        .particle:nth-child(76) {
            top: 65.8595641646%;
            left: 14.6198830409%;
            font-size: 26px;
            filter: blur(1.52px);
            animation: 22s float2 infinite;
        }

        .particle:nth-child(77) {
            top: 72.2891566265%;
            left: 56.3106796117%;
            font-size: 30px;
            filter: blur(1.54px);
            animation: 34s float infinite;
        }

        .particle:nth-child(78) {
            top: 50.2415458937%;
            left: 71.9844357977%;
            font-size: 28px;
            filter: blur(1.56px);
            animation: 29s floatReverse infinite;
        }

        .particle:nth-child(79) {
            top: 77.4818401937%;
            left: 25.3411306043%;
            font-size: 26px;
            filter: blur(1.58px);
            animation: 21s floatReverse2 infinite;
        }

        .particle:nth-child(80) {
            top: 0.9708737864%;
            left: 69.3359375%;
            font-size: 24px;
            filter: blur(1.6px);
            animation: 32s float infinite;
        }

        @keyframes apparition {
            from {
                opacity: 0;
                transform: translateY(100px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes float {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(180px);
            }
        }

        @keyframes floatReverse {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-180px);
            }
        }

        @keyframes float2 {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(28px);
            }
        }

        @keyframes floatReverse2 {
            0%, 100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-28px);
            }
        }

        .logo {
            position: fixed;
            left: 50%;
            margin-left: -500px;
            top: 20px;
        }

        .missing_pic {
            display: block;
            margin: 70px auto 0px;
        }

        .tip {
            text-align: center;
            font-size: 22px;
            font-weight: bold;
            color: #333;
            margin-top: 20px;
        }

        .back_to_index {
            display: block;
            width: 130px;
            line-height: 30px;
            border-radius: 15px;
            border: 1px solid #ff3f3c;
            background: #ff3f3c;
            color: #fff;
            text-align: center;
            margin: 20px auto 0;
        }

        .back_to_index:hover {
            opacity: 0.6
        }
    </style>
</head>
<body>
<a href="index.html" class="logo"><img src="{% static 'images/logo.png' %}" alt="logo"></a>
<img src="{% static 'images/missing.png' %}" alt="404" class="missing_pic">
<h3 class="tip">Oops!你访问的页面未找到</h3>
<a href="index.html" class="back_to_index">返回首页</a>
</body>
</html>